Solar Physics Division Meeting 2000, June 19-22
Session 16. Near-Future Instrumentation
Oral, Chair: C. E. DeForest, Thursday, June 22, 2000, 3:30-5:00pm, Forum

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[16.01] The High Energy Solar Spectroscopic Imager - HESSI

B. R. Dennis (NASA Goddard Space Flight Center), HESSI Team

Despite the launch delay caused by the vibration accident in March, the goals and instrument capabilities of HESSI remain the same. The primary scientific objective is to understand particle acceleration and explosive energy release in the magnetized plasma at the Sun. HESSI will provide the first high-spectral-resolution x-ray and gamma-ray images of solar flares. It will obtain the first imaging above 100 keV, the first imaging of solar gamma-ray lines, and the first high-resolution spectroscopy of solar gamma-ray lines, including the first determination of line shapes. In the 2001/2002 timeframe, HESSI can be expected to make observations of tens of thousands of microflares, thousands of hard x-ray flares, and tens of gamma-ray line flares.

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